1. If the training institution does not refund the relevant fees, it is generally a civil dispute. If negotiation fails, a civil lawsuit shall be brought to the court where the defendant is located for settlement.

2. You can complain to the consumer association. Complaints against consumers shall be handled by the Consumer Association of the district or county market supervision bureau where the defendant is located.

3. If a large number of people are involved, you can complain to the Market Supervision Bureau and the Education Bureau, and coordinate through government departments.

4. If the boss of the training institution runs away, in addition to the above handling methods, he needs to report to 1 10, which may involve illegal crimes such as contract fraud.

Suggestions for action:

1. The consumer can complain to the consumer association where the consumer is located or to the consumer association where the responsible person is located.

2. After receiving the complaint, the consumer association will forward the consumer's complaint to the complained unit, and request to handle and answer the question within the specified time.

3. Or according to the "People's Republic of China (PRC) Consumer Protection Law" and relevant laws and regulations, submit it to the relevant administrative departments for settlement.

If you still don't handle it, you can bring a lawsuit to the court.